CVE security advisories and vulnerability history for FortiOS by Fortinet.
Last updated
Fortinet FortiOS has 286 published CVE records since 2005, of which 21 are in CISA's Known Exploited Vulnerabilities catalog and 33 have a known public exploit. The average CVSS base score across scored CVEs is 6.6. Affected platforms include fim-7901e, fim-7904e, fim-7910e, fim-7920e, fim-7921f, fim-7941f.
How the CVSS severity of Fortinet FortiOS's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
In CISA’s Known Exploited Vulnerabilities catalog
21
21 of Fortinet FortiOS's CVEs are confirmed exploited in the wild.
Public exploits
33
33 of Fortinet FortiOS's CVEs have a known public exploit available.
Browse every Fortinet FortiOS version named in a CVE, then pick one to see only the CVEs that affect it.
The CWE weakness categories most often found in Fortinet FortiOS CVEs. Follow any weakness for its full explanation.
How many Fortinet FortiOS CVEs were published each year.
Browse vulnerabilities for other products by Fortinet.
Common questions about Fortinet FortiOS vulnerabilities.
Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.
Get an alert for each new Fortinet FortiOS CVE, with AI-written analysis and remediation steps.
286 CVEs
Added to CISA KEV 2026-10-16
Added to CISA KEV 2026-07-27
Added to CISA KEV 2026-01-27
Added to CISA KEV 2026-09-09
Added to CISA KEV 2025-12-16
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